108122805 has 96 divisors (see below), whose sum is σ = 231199488. Its totient is φ = 45619200.

The previous prime is 108122801. The next prime is 108122849. The reversal of 108122805 is 508221801.

It is not a de Polignac number, because 108122805 - 2² = 108122801 is a prime.

It is a super-2 number, since 2×108122805² = 23381081922136050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108122801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 326490 + ... + 326820.

It is an arithmetic number, because the mean of its divisors is an integer number (2408328).

Almost surely, 2^108122805 is an apocalyptic number.

108122805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108122805 is an abundant number, since it is smaller than the sum of its proper divisors (123076683).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108122805 is a wasteful number, since it uses less digits than its factorization.

108122805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 108122805 is about 10398.2116250825. The cubic root of 108122805 is about 476.4007479468.

The spelling of 108122805 in words is "one hundred eight million, one hundred twenty-two thousand, eight hundred five".